405805680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{26839}}^1$

素因数の和:26868

約数の個数: 160

約数和(自身を含む): 1597516800

約数和(自身を除く): 1191711120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 26839, 53678, 80517, 107356, 134195, 161034, 187873, 214712, 241551, 268390, 322068, 375746, 402585, 429424, 483102, 536780, 563619, 644136, 724653, 751492, 805170, 939365, 966204, 1073560, 1127238, 1207755, 1288272, 1449306, 1502984, 1610340, 1690857, 1878730, 1932408, 2147120, 2254476, 2415510, 2818095, 2898612, 3005968, 3220680, 3381714, 3623265, 3757460, 3864816, 4508952, 4831020, 5072571, 5636190, 5797224, 6441360, 6763428, 7246530, 7514920, 8454285, 9017904, 9662040, 10145142, 11272380, 11594448, 13526856, 14493060, 15029840, 16908570, 19324080, 20290284, 22544760, 25362855, 27053712, 28986120, 33817140, 40580568, 45089520, 50725710, 57972240, 67634280, 81161136, 101451420, 135268560, 202902840, 405805680]

約数ペア:

[(1, 405805680), (2, 202902840), (3, 135268560), (4, 101451420), (5, 81161136), (6, 67634280), (7, 57972240), (8, 50725710), (9, 45089520), (10, 40580568), (12, 33817140), (14, 28986120), (15, 27053712), (16, 25362855), (18, 22544760), (20, 20290284), (21, 19324080), (24, 16908570), (27, 15029840), (28, 14493060), (30, 13526856), (35, 11594448), (36, 11272380), (40, 10145142), (42, 9662040), (45, 9017904), (48, 8454285), (54, 7514920), (56, 7246530), (60, 6763428), (63, 6441360), (70, 5797224), (72, 5636190), (80, 5072571), (84, 4831020), (90, 4508952), (105, 3864816), (108, 3757460), (112, 3623265), (120, 3381714), (126, 3220680), (135, 3005968), (140, 2898612), (144, 2818095), (168, 2415510), (180, 2254476), (189, 2147120), (210, 1932408), (216, 1878730), (240, 1690857), (252, 1610340), (270, 1502984), (280, 1449306), (315, 1288272), (336, 1207755), (360, 1127238), (378, 1073560), (420, 966204), (432, 939365), (504, 805170), (540, 751492), (560, 724653), (630, 644136), (720, 563619), (756, 536780), (840, 483102), (945, 429424), (1008, 402585), (1080, 375746), (1260, 322068), (1512, 268390), (1680, 241551), (1890, 214712), (2160, 187873), (2520, 161034), (3024, 134195), (3780, 107356), (5040, 80517), (7560, 53678), (15120, 26839)]